CN208308647U - Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid - Google Patents
Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid Download PDFInfo
- Publication number
- CN208308647U CN208308647U CN201820591328.9U CN201820591328U CN208308647U CN 208308647 U CN208308647 U CN 208308647U CN 201820591328 U CN201820591328 U CN 201820591328U CN 208308647 U CN208308647 U CN 208308647U
- Authority
- CN
- China
- Prior art keywords
- tank body
- bottom plate
- dichloro
- nicotinic acid
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 230000015556 catabolic process Effects 0.000 title claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- AJPKQSSFYHPYMH-UHFFFAOYSA-N 2,6-dichloropyridine-3-carboxylic acid Chemical compound OC(=O)C1=CC=C(Cl)N=C1Cl AJPKQSSFYHPYMH-UHFFFAOYSA-N 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000001699 photocatalysis Effects 0.000 claims abstract description 22
- 238000007146 photocatalysis Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 3
- 238000011084 recovery Methods 0.000 claims description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 description 6
- 239000011941 photocatalyst Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000005507 Diflufenican Substances 0.000 description 1
- 239000005586 Nicosulfuron Substances 0.000 description 1
- JZFPYUNJRRFVQU-UHFFFAOYSA-N Niflumic acid Chemical compound OC(=O)C1=CC=CN=C1NC1=CC=CC(C(F)(F)F)=C1 JZFPYUNJRRFVQU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- WYEHFWKAOXOVJD-UHFFFAOYSA-N diflufenican Chemical compound FC1=CC(F)=CC=C1NC(=O)C1=CC=CN=C1OC1=CC=CC(C(F)(F)F)=C1 WYEHFWKAOXOVJD-UHFFFAOYSA-N 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- HYYBABOKPJLUIN-UHFFFAOYSA-N mefenamic acid Chemical compound CC1=CC=CC(NC=2C(=CC=CC=2)C(O)=O)=C1C HYYBABOKPJLUIN-UHFFFAOYSA-N 0.000 description 1
- 229960003464 mefenamic acid Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- RTCOGUMHFFWOJV-UHFFFAOYSA-N nicosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2C(=CC=CN=2)C(=O)N(C)C)=N1 RTCOGUMHFFWOJV-UHFFFAOYSA-N 0.000 description 1
- 229960000916 niflumic acid Drugs 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a kind of dichloro-nicotinic acid production wastewater degradation devices, including the first tank body, second tank body, bottom plate, photocatalysis chamber and COD detector, four corners of the bottom plate bottom end are mounted on universal wheel, and the side on bottom plate top is equipped with the first tank body, the other side on the bottom plate top is equipped with COD detector, and the middle position on bottom plate top is fixed with the second tank body, the top of first tank body is equipped with top cover, and the middle position on top cover top is provided with water inlet, the top of first tank interior is equipped with multiple filtration net, and multiple filtration the first tank interior of side off the net is fixed with temperature sensor far from the side of the second tank body.The utility model can carry out classified filtering to production waste water, so that waste water solid impurity is retained by filter screen, avoid the case where impurity blocks pipeline by being equipped with multiple filtration net.
Description
Technical field
The utility model relates to wastewater degradation technical field, wastewater degradation device is used in specially a kind of dichloro-nicotinic acid production.
Background technique
Dichloro-nicotinic acid is a kind of important medicine intermediate, can be used to synthesize 2- alkoxy pyridines etc., can also be used to
Some antibiotic are synthesized, because of its extensive biological chemistry action, have caused the broad interest of people, dichloro-nicotinic acid is a kind of heavy
The medicine and pesticide intermediate wanted, it is widely used, it can be used for manufacturing mefenamic acid, Niflumic Acid, nicosulfuron, Diflufenican
Deng answering environmental requirement, the production waste water of 2- chlorine apellagrin product need to reach national standard emission request, however the electrolytic oxidation of traditional handicraft
That there are catalyst costs is high for Industrial Wastewater Treatment catalyst and preparation method thereof, equipment investment is high, and the low service life of activity is short etc.
Disadvantage, working efficiency is low, and processing cost is high.
Utility model content
The purpose of this utility model is to provide a kind of dichloro-nicotinic acid production wastewater degradation devices, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: wastewater degradation is used in a kind of production of dichloro-nicotinic acid
Device, including the first tank body, the second tank body, bottom plate, photocatalysis chamber and COD detector, four corners of the bottom plate bottom end
It is mounted on universal wheel, and the side on bottom plate top is equipped with the first tank body, the other side on the bottom plate top is equipped with COD inspection
Instrument is surveyed, and the middle position on bottom plate top is fixed with the second tank body, the top of first tank body is equipped with top cover, and top cover
The middle position on top is provided with water inlet, and the top of first tank interior is equipped with multiple filtration net, and multilayer mistake
The first tank interior is fixed with temperature sensor, the temperature sensor lower section first far from the side of the second tank body below strainer
Tank body is provided with feed opening far from the side of the second tank body, and the two sides of the first tank interior are mounted on heating below feed opening
Block, first tank body is equipped with aqueduct close to the bottom end of the second tank body side, and the second water pump is fixed on aqueduct, institute
The one end for stating the second tank body is equipped with control panel, and the second tank body is equipped with ozone close to the bottom end of the first tank body side
Device, the top of first tank interior is equipped with photocatalysis chamber, and photocatalysis chamber is connect by aqueduct with the first tank body, institute
The two sides for stating the intracavitary portion of photocatalysis are mounted on photocatalyst layer, and the top in the intracavitary portion of photocatalysis is equipped with ultraviolet lamp, the light
Gas-guide tube is installed, and the output end of gas-guide tube and ozone generator connects in the second tank body below catalytic chamber, described second
Tank body is equipped with outlet pipe far from the bottom end of the first tank body side, and outlet pipe passes through the input terminal of connecting tube and COD detector
Connection, the top of the outlet pipe are equipped with recovery tube, and the top connection of recovery tube one end and top cover far from outlet pipe, institute
It states and the first water pump is installed on recovery tube, and be provided with valve on recovery tube and outlet pipe, the is equipped on the outlet pipe
Three water pumps.
Preferably, first tank body is equipped with observation window close to one end of control panel.
Preferably, the two sides on multiple filtration net top are provided with handle.
Preferably, the photocatalysis chamber is funnel-shaped, and the bottom end of photocatalysis chamber is provided with control valve.
Preferably, venthole is evenly arranged on the gas-guide tube.
Compared with prior art, the utility model has the beneficial effects that the dichloro-nicotinic acid production is logical with wastewater degradation device
It crosses and multiple filtration net is installed, classified filtering can be carried out to production waste water and be kept away so that waste water solid impurity is retained by filter screen
Exempted from impurity blocking pipeline the case where, the two sides on multiple filtration net top are provided with handle, convenient for multiple filtration net take out with
Replacement, for device by being equipped with feed opening, temperature sensor and heat block, degradable COD can be added in when use into feed opening
Dominant bacteria, using the hard-degraded substance in microbial degradation waste water, temperature sensor and heat block synergistic effect, can be micro-
Biology provides suitable life condition, and device is by being equipped with photocatalyst layer and ultraviolet lamp, under the action of ultraviolet light, light touching
Matchmaker's layer generates strong catalytic degradation function, can effectively poisonous and harmful substance in degrading waste water, and effectively kill a variety of in water
Bacterium, the device is by being equipped with ozone generator, so that the ability that whole device has decontamination and eliminates the unusual smell, ozone have
Very strong oxidizing force, it can react to obtain non-toxic and tasteless and degradable product with the dissolved organic matter in waste water, and device is logical
It crosses and recovery tube, outlet pipe and COD detector is installed, after sewage detection is qualified, valve is opened on outlet pipe, third plugman
By treated, water is discharged work, and when sewage detection is unqualified, valve is opened on recovery tube, and the first pump working leads waste water
Enter the first tank body, handled again, so that sewage reaches the standard that can be discharged.
Detailed description of the invention
Fig. 1 is the schematic elevation view of the utility model；
Fig. 2 faces diagrammatic cross-section for the utility model；
In figure: 1, top cover；2, water inlet；3, the first tank body；4, recovery tube；5, the second tank body；6, the first water pump；7, it feeds
Mouthful；8, universal wheel；9, bottom plate；10, the second water pump；11, aqueduct；12, ozone generator；13, control panel；14, valve；
15, third water pump；16, temperature sensor；17, multiple filtration net；18, heat block；19, photocatalysis chamber；20, ultraviolet lamp；21, it leads
Tracheae；22, photocatalyst layer；23, outlet pipe；24, COD detector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of embodiment provided by the utility model referring to FIG. 1-2: a kind of dichloro-nicotinic acid production is filled with wastewater degradation
It sets, including the first tank body 3, the second tank body 5, bottom plate 9, photocatalysis chamber 19 and COD detector 24, four turnings of 9 bottom end of bottom plate
Place is mounted on universal wheel 8, and the side on 9 top of bottom plate is equipped with the first tank body 3, and the other side on 9 top of bottom plate is equipped with COD
Detector 24, and the middle position on 9 top of bottom plate is fixed with the second tank body 5, the top of the first tank body 3 is equipped with top cover 1, and
The middle position on 1 top of top cover is provided with water inlet 2, and the top inside the first tank body 3 is equipped with multiple filtration net 17, and more
17 the first tank body of lower section of layer filter screen, 3 inside is fixed with temperature sensor 16, multiple filtration net 17 far from the side of the second tank body 5
The two sides on top are provided with handle, take out and replace convenient for multiple filtration net 17, and 16 the first tank body of lower section 3 of temperature sensor is remote
Side from the second tank body 5 is provided with feed opening 7, and the two sides inside 7 the first tank body 3 of lower section of feed opening are mounted on heat block
18, the first tank body 3 is equipped with aqueduct 11 close to the bottom end of 5 side of the second tank body, and the second water pump is fixed on aqueduct 11
10, the model of the second water pump 10 can be ISGD, and one end of the second tank body 5 is equipped with control panel 13, and the second tank body 5 is close to the
The bottom end of one tank body, 3 side is equipped with ozone generator 12, and the first tank body 3 is equipped with observation close to one end of control panel 13
Window, convenient for observation, the top inside the first tank body 3 is equipped with photocatalysis chamber 19, and photocatalysis chamber 19 passes through aqueduct 11 and the
The connection of one tank body 3, photocatalysis chamber 19 is funnel-shaped, and the bottom end of photocatalysis chamber 19 is provided with control valve, and catalytic effect is more preferable, light
Two sides inside catalytic chamber 19 are mounted on photocatalyst layer 22, and the top inside photocatalysis chamber 19 is equipped with ultraviolet lamp 20, light
Gas-guide tube 21 is installed in second tank body 5 of 19 lower section of catalytic chamber, and gas-guide tube 21 is connect with the output end of ozone generator 12,
It is evenly arranged with venthole on gas-guide tube 21, so that ozone mixes more evenly with waste water, the second tank body 5 is far from the first tank body 3 one
The bottom end of side is equipped with outlet pipe 23, and outlet pipe 23 is connect by connecting tube with the input terminal of COD detector 24, outlet pipe 23
Top recovery tube 4 is installed, and the one end of recovery tube 4 far from outlet pipe 23 is connect with the top of top cover 1, is pacified on recovery tube 4
Equipped with the first water pump 6, and valve 14 being provided on recovery tube 4 and outlet pipe 23, the model of the first water pump 6 can be 300QSZ,
Third water pump 15 is installed, the model of third water pump 23 can be KSOW on outlet pipe 23.
Working principle: in use, powering on, waste water enters the first tank body 3 by water inlet 2 first, by multiple filtration
Biggish suspended particulate when net 17 in water is filtered out, and the dominant bacteria of degradable COD is then added into feed opening 7, is utilized
Hard-degraded substance in microbial degradation waste water, temperature sensor 16 and heat block 18 act synergistically, and can provide for microorganism suitable
Suitable life condition, waste water enters in the photocatalysis chamber 19 in the second tank body 5 later, and ultraviolet lamp 20 works, in ultraviolet light
Under effect, photocatalyst layer 22 generates strong catalytic degradation function, poisonous and harmful substance in degrading waste water, later ozone generator 12
Work, ozone are entered in the second tank body 5 by gas-guide tube 21, and waste water is come into full contact with ozone, thoroughly progress redox
Reaction, the water handled are flowed out through outlet pipe 23, and two valves 14 are turned off at this time, and waste water enters COD detector 24, work as waste water
After detecting qualification, valve 14 is opened on outlet pipe 23, and by treated, water is discharged the work of third water pump 15, when sewage detection does not conform to
When lattice, valve 14 is opened on recovery tube 4, and waste water is imported the first tank body 3, handled again by the work of the first water pump 6, so that
Sewage reaches the standard that can be discharged.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of dichloro-nicotinic acid production uses wastewater degradation device, including the first tank body (3), the second tank body (5), bottom plate (9), light to urge
Change chamber (19) and COD detector (24), it is characterised in that: four corners of bottom plate (9) bottom end are mounted on universal wheel
(8), and the side on bottom plate (9) top is equipped with the first tank body (3), and the other side on bottom plate (9) top is equipped with COD detection
Instrument (24), and the middle position on bottom plate (9) top is fixed with the second tank body (5), the top of first tank body (3) is equipped with
Top cover (1), and the middle position on top cover (1) top is provided with water inlet (2), the internal top peace of first tank body (3)
Equipped with multiple filtration net (17), and below multiple filtration net (17), the internal side far from the second tank body (5) of the first tank body (3) is solid
Surely have temperature sensor (16), the first tank body (3) is arranged far from the side of the second tank body (5) below the temperature sensor (16)
Have feed opening (7), and the internal two sides of the first tank body (3) are mounted on heat block (18) below feed opening (7), first tank
Body (3) is equipped with aqueduct (11) close to the bottom end of the second tank body (5) side, and is fixed with the second water pump on aqueduct (11)
(10), one end of second tank body (5) is equipped with control panel (13), and the second tank body (5) is close to the first tank body (3) side
Bottom end be equipped with ozone generator (12), the internal top of first tank body (3) is equipped with photocatalysis chamber (19), and light is urged
Change chamber (19) to connect by aqueduct (11) with the first tank body (3), the internal two sides of the photocatalysis chamber (19) are mounted on light
Catalyst layer (22), and the internal top of photocatalysis chamber (19) is equipped with ultraviolet lamp (20), the below the photocatalysis chamber (19)
It is equipped with gas-guide tube (21) in two tank bodies (5), and gas-guide tube (21) is connect with the output end of ozone generator (12), described second
Tank body (5) is equipped with outlet pipe (23) far from the bottom end of the first tank body (3) side, and outlet pipe (23) passes through connecting tube and COD
The input terminal of detector (24) connects, and the top of the outlet pipe (23) is equipped with recovery tube (4), and recovery tube (4) is far from out
One end of water pipe (23) is connect with the top of top cover (1), is equipped with the first water pump (6) on the recovery tube (4), and recovery tube
(4) it and is provided with valve (14) on outlet pipe (23), third water pump (15) is installed on the outlet pipe (23).
2. a kind of dichloro-nicotinic acid production wastewater degradation device according to claim 1, it is characterised in that: first tank
Body (3) is equipped with observation window close to the one end of control panel (13).
3. a kind of dichloro-nicotinic acid production wastewater degradation device according to claim 1, it is characterised in that: the multilayer mistake
The two sides on strainer (17) top are provided with handle.
4. a kind of dichloro-nicotinic acid production wastewater degradation device according to claim 1, it is characterised in that: the photocatalysis
Chamber (19) is funnel-shaped, and the bottom end of photocatalysis chamber (19) is provided with control valve.
5. a kind of dichloro-nicotinic acid production wastewater degradation device according to claim 1, it is characterised in that: the gas-guide tube
(21) venthole is evenly arranged on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591328.9U CN208308647U (en) | 2018-04-24 | 2018-04-24 | Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591328.9U CN208308647U (en) | 2018-04-24 | 2018-04-24 | Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308647U true CN208308647U (en) | 2019-01-01 |
Family
ID=64714296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820591328.9U Expired - Fee Related CN208308647U (en) | 2018-04-24 | 2018-04-24 | Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208308647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569823A (en) * | 2018-04-24 | 2018-09-25 | 浙江荣凯科技发展有限公司 | A kind of dichloro-nicotinic acid production wastewater degradation device |
-
2018
- 2018-04-24 CN CN201820591328.9U patent/CN208308647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569823A (en) * | 2018-04-24 | 2018-09-25 | 浙江荣凯科技发展有限公司 | A kind of dichloro-nicotinic acid production wastewater degradation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205635209U (en) | Laboratory wastewater treatment equipment | |
| CN210559864U (en) | Remove advanced oxidation of smelly material in drinking water and unite active carbon processing system | |
| CN103435110B (en) | A kind of electrolytic catalysis adsorption filter | |
| CN208308647U (en) | Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid | |
| CN110451713A (en) | A kind of swimming pool circular water treating system based on PLC | |
| CN205151975U (en) | Water purifier | |
| CN211570344U (en) | High-efficiency drinking water treatment device | |
| CN202099149U (en) | Small-sized medical sewage treater | |
| CN205528144U (en) | Medical treatment type waste water treatment equipment | |
| CN108569823A (en) | A kind of dichloro-nicotinic acid production wastewater degradation device | |
| CN208471830U (en) | A kind of wastewater ocean disposal device | |
| CN104663566A (en) | Device for filtering aquaculture water | |
| CN105110433B (en) | One kind is based on light-catalysed drinking water sterilization device and sterilization process | |
| CN205442990U (en) | Sewage purification processing device | |
| CN204779146U (en) | Contact oxidation tank device | |
| CN204395579U (en) | A kind of multistage diatomaceous earth filter | |
| CN201793453U (en) | Water cycle automatic treatment system of baby swimming hall | |
| CN207862122U (en) | A kind of efficient sewage treatment equipment | |
| CN207738546U (en) | A kind of Laboratory Waste Water Treatment intelligent control system | |
| CN205990322U (en) | New MBR integrated rural sewage disposal device | |
| CN205473270U (en) | Swimming pool does not have ecological sterilizer of chlorine | |
| CN213012361U (en) | Aquaculture water purification monitoring devices | |
| CN208327736U (en) | Anaerobic pond is used in a kind of processing of biological sewage | |
| CN214936704U (en) | Environment-friendly effluent treatment plant | |
| CN213596048U (en) | Purifier is used in domestic sewage processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 323300 Zhejiang city of Lishui province Suichang County High Town Industrial Park on the way Patentee after: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 323300 Zhejiang city of Lishui province Suichang County High Town Industrial Park on the way Patentee before: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |